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INDONESIA
MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management
Published by Institut Pertanian Bogor
ISSN : 20870469     EISSN : 20892063     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Manajemen Hutan Tropika is a periodic scientific articles and conceptual thinking of tropical forest management covering all aspects of forest planning, forest policy, utilization of forest resources, forest ergonomics, forest ecology, forest inventory, silviculture, and management of regional ecosystems.
Arjuna Subject : -
Articles 386 Documents
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Root Diseases Ganoderma sp. on the Sengon in West Java and East Java Herliyana, Elis Nina; Taniwiryono, Darmono; Minarsih, Hayati
Jurnal Manajemen Hutan Tropika Vol. 18 No. 2 (2012)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Sengon tree (Paraserianthes falcataria (L.) Nielsen) currently becomes a major forest tree species widely planted by smallholders in Indonesia. The wood of this is quick growing and relatively easy to sell.  However, level of plant safety sengon between crop plantations and other forestry need to be assessed considering the sengon tree is alternative host of Ganoderma spp. Studies have been conducted to know the presence and diversity of Ganoderma spp. on the sengon tree and some ways inoculation on sengon plant in the nursery.  Survey of Ganoderma conducted in several locations of community forests and cacao (Theobroma cacao) plantations in West Java and East Java. Testing of genetic diversity based on RAPD technique. This conducted at the Biotechnology Research Institute of Plantation Indonesia Bogor. Inoculation testing conducted at the Faculty of Forestry, Bogor Agricultural University.  The results showed that Ganoderma lucidum was found on the sengon tree and cacao plant, generally on the dead stump. The test results of genetic diversity obtained genetic similarity between G. lucidum from sengon and cacao are quite close. The results of inoculation of G. lucidum testing on seedlings sengon showed that both isolate from cacao and sengon tree able to infect a sengon tree back. The existence of sengon tree as shade plants for cacao plant need to watch out, because production cycle of sengon tree faster than production cycle of cacao plant that is protected.
Institutional Role in Gunung Walat Educational Forest Policy: Discourse and Historical Approaches Hero, Yulius; Tarumingkeng, Rudi C; Darusman, Dudung; Kartodihardjo, Hariadi
Jurnal Manajemen Hutan Tropika Vol. 18 No. 2 (2012)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Institutional science with various approaches have been used in analysing forest policy at international level and in Indonesia. This research used institutional science with discourse and historical approach for the policy of Forest Territory with Special Purpose (Kawasan Hutan dengan Tujuan Khusus, KHDTK). This research study the KHDTK case of Gunung Walat Educational Forest (Hutan Pendidikan Gunung Walat, HPGW). The goal of this research is to understand discourse/narration of policy and describe the policy space for HPGW and KHDTK. Institutional analysis in this research used discourse and historical approach. Discourse analysis used IDS model supported with Wittmer-Birner model and Eden-Ackermann diagram. On the other hand,  historical approach used the historical relationship. The research outcome showed that the process of creating HPGW policy is not linear, but being affected by policy discourse/narration in the process of creating HPGW policy. Faculty of Forestry IPB has been successfully managing HPGW because of the success to build policy discourse/narration which is supported by the knowledge of HPGW managers, cooperation network, and interest and power.  Meanwhile, external party perceived and believed the importance of HPGW management for forestry education. The success key of HPGW policy is in structuring the institution that control the behavior of HPGW managers, so the managers obtained trust from third parties to create interest alliances which can boost HPGW management performance. HPGW policy can be used to fulfill KHDTK policy space according to Article 8, Forestry Law Number 41 Year 1999.
Rarity Status and Habitat of Shorea laevis and Shorea leprosula in Muara Teweh, Central Kalimantan Budi, Sri Wilarso; Siregar, Iskandar Zulkarnaen; Siregar, Ulfah Juniarti; Sukendro, Andi; Pamoengkas, Prijanto; Yunanto, Tedi
Jurnal Manajemen Hutan Tropika Vol. 18 No. 2 (2012)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Forest exploitation and conversion to other landuse may cause lost of biodiversity, including most important dipterocarp trees species, i.e. Shorea leprosula and Shorea laevis. The objective of this study was to determine the rarity status of the two important shorea species, i.e. S. laevis and S. leprosula, based on IUCN criteria, their habitat characteristics, and their association with other species, as one of the basis for determining their conservation strategy as a part of forest management. This study was conducted in three types of ecosystem (virgin forest, secondary forest, and fragmented forest) in Muara Teweh, Central Kalimantan.  Methodology used in this research includes vegetation and tree diversity analysis. Study results showed that both S. laevis and S. leprosula were included within category of “low risk” in the 3 types of ecosystem in the forest area being studied.  Habitat characteristics which determined the absence of S. laevis in the virgin forest habitat was the soil permeability which was too low, whereas other soil chemical and physical properties in the three types of ecosystems were relatively similar.  Presence of S. laevis were positively associated with species of S. uliginosa, Dialium platysepalum, Dipterocarpus ibmalatus, Palaquium rostatum, Vatica rasak, Adinandra sp., and Memecyclon steenis.  On the other hand,  S. leprosula were positively correlated with S. kunstleri, Castanopsis sp., Shorea sp., Quercus bennettii, Castanopsis argentea, and D. hasseltii.
Stakeholders Analysis on the Management of Danau Sentarum National Park Kapuas Hulu Regency, West Kalimantan Roslinda, Emi; Darusman, Dudung; Suharjito, Didik; Nurrochmat, Dodik Ridho
Jurnal Manajemen Hutan Tropika Vol. 18 No. 2 (2012)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Danau Sentarum National Park (DSNP) is one protected area having vital roles in supporting the community livelihood of Kapuas Hulu Regency and West Kalimantan Province. Unfortunately, its presence is currently threatened due to various activities and overlapping interests. Hence, the management of DSNP could not be carried out by a single institution, requiring the support of other institutions. A possible approach was to conduct Stakeholders Analysis. This study analyzed stakeholders interests on DSNP management. The study was conducted in DSNP and respondents were selected using snowball sampling. There were 18 stakeholders identified as being involved in the management of DSNP of which 5 were classified as subject, 1 as key player, 6 as context setter, and 6 as crowd. There were 3 relationships between each stakeholder that were identified, that of conflict, complementary, and cooperation. Generally, the identified stakeholders played roles consistent with their main tasks and function. However, to better manage DSNP, synchronization among stakeholders was still necessary.
New Idea for National Park Zoning System: a Synthesis between Biodiversity Conservation and Customary Community's Tradition Kosmaryandi, Nandi; Basuni, Sambas; Prasetyo, Lilik Budi; Adiwibowo, Soeryo
Jurnal Manajemen Hutan Tropika Vol. 18 No. 2 (2012)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The establishment of national park in customary region had aroused conflic since it had not incorporate traditional management system in its management system. The objectives of this research is to develop such policies for national park zonation that amalgamating the national-global interests for conservation on the one side and the customary community interests on the other side. Result shows that adaptation was needed toward the prevailing science-based ecologically-oriented regulation on zoning plan, so it would incorporate the community's custom in order to achieve effective management of national park. Appropriate and applicable zoning can be achieved through implementation of management mindset with customary people livelihood perspectives, zone establishment which give priority to the achievement of national park functions rather than the fulfillment of zone requirements, and adaptation of zone formation and criteria toward traditional land use as efforts to accommodate the interest of biodiversity conservation and customary people livelihood.
Growth Performance of One Year Old Seedlings of Ironwood (Eusideroxylon zwageri Teijsm. & Binn.) Varieties Irawan, Bambang
Jurnal Manajemen Hutan Tropika Vol. 18 No. 3 (2012)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Four Eusideroxylon zwageri Teijsm. & Binn. varieties had been described. A study on growth performance of one-year old seedlings of E. zwageri varieties had been conducted to study the comparison of shoot growth performance and survival among E. zwageri varieties.  The varieties were exilis, grandis, ovoidus, and zwageri. The study was conducted in Jambi, Indonesia for one year using complete randomized design. Four E. zwageri varieties were used as factor with 6 replications. Each consists of 6 seedlings therefore, the total number of seedlings were 144.  The results showed that survival and shoot growth performance of E. zwageri seedlings were significantly different among varieties. Stem height of E. zwageri seedlings was significantly different among some varieties. The results related to stem diameter showed different characteristics among E. zwageri seedlings, zwageri variety had the biggest diameter. It was significantly different from ovoidus and exilis, but not significantly different from grandis. The differences among E. zwageri seedlings in shoot dry weight parameter were identical to the parameter of stem diameter. The lowest value of branch angle belonged to zwageri. Based on Duncan multiple range test, it was significantly different from other varieties except grandis. Generally, zwageri shows the best growth performance among seedlings of E. zwageri varieties.
Organic Acid Characteristics and Tolerance of Sengon (Paraserianthes falcataria L Nielsen) to Lead Setyaningsih, Luluk; Setiadi, Yadi; Sopandie, Didy; Budi, Sri Wilarso
Jurnal Manajemen Hutan Tropika Vol. 18 No. 3 (2012)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

This study aimed to find out the lead tolerance of sengon (Paraserianthes falcataria) seedling based on growth performance, tolerance index, and ecretion and accumulation of organic acids content. Seedlings were exposed to lead (Pb) with the concentration of 0, 0.5, 1, 1.5, 5, and 10 mM in liquid nutrient culture for 4 days in order to investigate secretion and accumulation  of  oxalic, malic, and citric content, and for 15 days to examine growth performance and olerance index. The result showed that tolerance index and growth performance of engon seedling were insignificant (p > 0.05) to the rising of Pb concentration up to 1.5 mM with tolerance index at least 95%, and even caused an increase of fresh weight.  However, the tolerance index and growth of sengon  decreased significantly due to Pb exposure of 5 and 10 mM.  Among the three organic acids, citrate was most dominant as compared to malate and oxalate. Secretion of citrate increased significantly (p < 0.05) with the rising concentration of Pb 0.5, 1 and 1.5 mM,  reaching to 0.464, 0.540, and 0.587 µg mℓ-1, respectively, or rising according linear line (r = 0.9, p < 0.5).  Citrate accumulation showed inconsistent pattern with the rising Pb exposure.  The result suggested that sengon seedling have a slightly tolerance to lead by secretion of organic acid especially citric acid.
Carbon Emission Reduction Potential through Sustainable Forest Management in Forest Concession of PT Salaki Summa Sejahtera, Province of West Sumatera Hilwan, Iwan; Indrawan, Andry; Supriyanto, Supriyanto; Rusolono, Teddy
Jurnal Manajemen Hutan Tropika Vol. 18 No. 3 (2012)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (882.755 KB) | DOI: 10.7226/jtfm.18.3.169-176

Abstract

A management unit (MU) of a forest concession holder implementing the sustainable forest management (SFM) principles, could be involved in reducing Emmission from Reforestation and Forest Degradation (REDD+) and carbon trading project. The fact the strategic in implementing the REDD+ and carbon trading in MU level is still lack of pilot project and methodology. Therefore, some scenarios must be developed and tested to find out the best potential of carbon credit in MU level. The objectives of the research were: to calculate carbon credit in some SFM scenarios, to analyze of carbon trading project feasibility, and to determine carbon stock recovery period of logged over area (LOA). The result revealed that carbon stock and carbon credit of LOA was affected by timber cutting intensity.  The 6th scenario with lowest annual allowable cutting (AAC) obtained greater carbon credit and profit coming from timber harvesting income and carbon trading. In other hand, this scenario has shortest duration of carbon stock recovery period (27 years) and shorter than its cutting cycle.  In this case, the MU has to recalculate and to decrease its AAC to have highest benefits from carbon trading in the same cutting cycle period.  It will provide double benefits from carbon trading, those are contribution in achieving the SFM purposes (production, ecology, social) and climate change mitigation.
Habitat Selection and Activity Pattern of GPS Collared Sumateran Tigers Priatna, Dolly; Santosa, Yanto; Prasetyo, Lilik Budi; Kartono, Agus Priyono
Jurnal Manajemen Hutan Tropika Vol. 18 No. 3 (2012)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Although translocation has been used in mitigating human-carnivore conflict for decades, few studies have been conducted on the behavioral ecology of released animals. Such information is necessary in the context of sustainable forest management. In this study we determine the type of land cover used as main habitat and examine the activity pattern of translocated tigers. Between 2008 and 2010 we captured six conflict tigers and translocated them 74-1,350 km from their capture sites in Sumatera. All tigers were fitted with global positioning system (GPS) collars. The collars were set to fix 24-48 location coordinates per day.  All translocated tigers showed a preference for a certain habitat type within their new home range, and tended to select the majority of natural land cover type within the landscape as their main habitat, but the availability of natural forest habitat within the landscape remains essensial for their survival. The activity of male translocated tigers differed significantly between the six time intervals of 24 hours, and their most active periods were in the afternoon (14:00-18:00 hours) and in the evening (18:00-22:00 hours). Despite being preliminary, the findings of this study-which was the first such study conducted in Sumatera-highlight the conservation value of tiger translocation and provide valuable information for improving future management of conflict tigers.
The Abundance of Pioneer Vegetation and Their Interaction with Endomycorrhiza at Different Land Qualities after Merapi Eruption Agus, Cahyono; Wulandari, Dewi
Jurnal Manajemen Hutan Tropika Vol. 18 No. 3 (2012)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Eruption of Merapi volcano caused accumulation of lahar materials that led to extensive land degradation.  This research was to study the population of pioneer plants and their correlation with endomycorrhiza population at  different land qualities after Merapi eruption.  Samples of soil, pioneer plants, and endomycorrhiza were collected from Merapi volcano, 1 year after eruption, using stratified sampling method based on plant densities, with the following categories: dense vegetation, moderately dense vegetation, sparse vegetation, and control (bare land), with 3 replications for each category.  Pioneer plants and endomycorrhiza were identified. Plant biomass, soil pH, total-C,-N, and exchangeable-K, -Ca, -Mg, -Fe were analyzed. The abundance of pioneer plants and their interaction with mycorrhiza was strongly correlated with depth of eruption material, quantity of sandy texture, soil pH, total-C and total-N, exchangeable-K, exchangeable-Ca, exchangeable-Mg, and exchangeable-Fe.  Among the 12 identified pioneer plants, only Acacia villosa, Fiurena ciliaris, and Bidens pilosa were recommended as plant-remediator to improve soil chemical, physical and biological properties. Among the 3 genera of endomycorrhiza (Acaulospora, Gigaspora, Glomus), only Acaulospora was recommended to be a biological agent to rehabilitate sandy soil area.  This research indicated that adaptive pioneer plants and endomycorrhiza  were likely to be suitable for biological agents to stimulate recovery of degraded land through improvement of physical, chemical, and biological properties, that will stimulate plant growth and biodiversity.

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